Is Applied Nutrition Expensive? What the Range Costs Per 25g of Protein
Applied Nutrition sits in the middle of the UK market, not at the top of it. Critical Plant matches Bulk on price per gram, Critical Whey undercuts MyProtein, and ISO-XP costs more than Gold Standard. Plus the beef isolate almost nobody compares properly.
Kevin, founder of WheyWise
Quick answer
Applied Nutrition is mid-market, not premium, despite the way it is marketed. WheyWise price checks on 21 August 2026 put Critical Plant at about 49p per 25g of protein, which is line-ball with Bulk's entry-level Basic Whey at 50p, and Critical Whey at about 78p, which sits between Protein Works at 72p and MyProtein Impact Whey at 91p. The genuine outlier is ISO-XP at about £1.53 per 25g, more expensive than Optimum Nutrition Gold Standard whey. The most interesting thing in the range is Beef-XP: a hydrolysed beef protein isolate at 91g of protein per 100g for about 69p per 25g, which undercuts most whey concentrates while being isolate-grade.
Is Applied Nutrition expensive?
No. Applied Nutrition is a mid-market brand that markets like a premium one. At last check on 21 August 2026, Applied Nutrition Critical Whey works out at about 78p per 25g of protein, which puts it between Protein Works Whey Protein 360 GOLD at about 72p and MyProtein Impact Whey at about 91p, and comfortably below Optimum Nutrition Gold Standard at about £1.10.
Its cheapest product goes further than that. Applied Nutrition Critical Plant costs about 49p per 25g of protein, which is line-ball with Bulk's entry-level Basic Whey at about 50p. That is genuinely competitive with the UK budget tier, from a brand most people file next to Optimum Nutrition rather than next to Bulk.
What Applied Nutrition costs per 25g of protein
| Product | Protein per 100g | Best price found | Cost per 25g protein |
|---|---|---|---|
| Critical Plant | 82g | £28.71 / 1.8kg | 49p |
| 100% Casein | 85g | £39.95 / 1.8kg | 66p |
| Beef-XP Clear Hydrolysed Beef Isolate | 91g | £44.95 / 1.8kg | 69p |
| Diet Whey | 80g | £40.99 / 1.8kg | 71p |
| Micellar Casein | 85g | £44.95 / 1.8kg | 74p |
| Critical Whey | 72g | £44.95 / 2kg | 78p |
| Clear Protein Vegan | 70g | £44.99 / 1.8kg | 89p |
| Clear Whey Protein | 70g | £14.99 / 500g | £1.07 |
| ISO-XP Whey Protein Isolate | 90g | £55.04 / 1kg | £1.53 |
Prices checked 21 August 2026 across the UK retailers we track. Cheapest publishable variant per product.
Note how tight the middle of that table is. Six of the nine products sit between 49p and 78p, which is a narrower spread than either Protein Works or Optimum Nutrition manage. Applied Nutrition prices its range consistently, and the 1.8kg bag it uses for almost everything is a large part of why.

The flagship whey
Applied Nutrition Critical Whey
825g bag
Fairly priced mid-market whey. At about 78p per 25g of protein it beats MyProtein and Optimum Nutrition on cost per gram while matching Bulk Basic Whey's 72g per 100g protein content, which is a reasonable place for a brand to sit.
Buy Critical Whey →See the price on AmazonThe flagship whey

Applied Nutrition Critical Whey
825g bagPros
- + About 78p per 25g of protein, roughly 13p a serving cheaper than MyProtein Impact Whey at 91p
- + 72g of protein per 100g, ahead of Protein Works Whey Protein 360 GOLD at 68g
- + The 2kg bag is a realistic first purchase, unlike the 4.8kg bags where rival brands hide their good prices
Cons
- – About 28p a serving more than Bulk Basic Whey for a 72g per 100g protein content the two share exactly
- – Not the cheapest thing Applied Nutrition sells: Critical Plant is 29p cheaper per 25g
●Nutrition per scoop · 23.8g protein in 33g▼
Protein makes up 72%
of this 33g scoop · 128 kcal total

Cheapest in the range
Applied Nutrition Critical Plant Protein
1.8kg bag
The best-value product Applied Nutrition makes and the reason the brand does not deserve its premium reputation. About 49p per 25g of protein, checked 21 August 2026, and 82g of protein per 100g.
Buy Critical Plant Protein →See the price on AmazonCheapest in the range
Pros
- + About 49p per 25g of protein, matching Bulk Basic Whey at 50p from a brand priced well above it elsewhere
- + 82g of protein per 100g, 10g ahead of the brand's own Critical Whey
- + A blend rather than single-source pea, which matters because single-source plant proteins are short on specific amino acids
Cons
- – Plant protein needs a slightly larger serving than whey to match leucine content, which eats into the price advantage
- – Sold in 1.8kg only at this price, so there is no small bag to test a flavour with
●Nutrition per scoop · 24.6g protein in 30g▼
Protein makes up 82%
of this 30g scoop · 114 kcal total
How does it compare to Bulk, MyProtein and Optimum Nutrition?
On like-for-like whey, Applied Nutrition Critical Whey at about 78p per 25g of protein sits fourth of five: cheaper than MyProtein Impact Whey at 91p and Optimum Nutrition Gold Standard at £1.10, dearer than Protein Works Whey Protein 360 GOLD at 72p and Bulk Basic Whey at 50p.
On plant protein the ordering changes. Applied Nutrition Critical Plant at about 49p is beaten only by the Protein Works vegan range, which starts at about 35p. Both comfortably undercut Optimum Nutrition's cheapest plant option at about 96p.
The one place Applied Nutrition is genuinely dear is isolate. ISO-XP at about £1.53 per 25g of protein is above Gold Standard whey, though below Gold Standard's own isolate at about £1.62. Isolates cost more everywhere, so this is less an Applied Nutrition problem than a format one. You can see the whole picture on the whey isolate comparison, or line two products up directly with the protein comparison tool.
Is ISO-XP worth the money?
ISO-XP is worth it if you specifically need an isolate and not otherwise. At about £1.53 per 25g of protein it costs roughly three times Critical Plant and about twice Critical Whey, from the same brand, for a protein your body will not distinguish from the cheaper options in any way that shows up in the mirror.
What an isolate does give you is a higher protein percentage per scoop, around 90g per 100g against 72g for Critical Whey, and much lower lactose. If you are lactose intolerant, cutting calories hard, or you have found that concentrates upset your stomach, those are real reasons and ISO-XP is a well-regarded product. If none of those apply, you are paying an isolate premium for a benefit you will not notice.
Compared against the isolates it actually competes with rather than against concentrates, it is priced sensibly: it undercuts Optimum Nutrition Gold Standard Isolate at about £1.62. There is a full Gold Standard vs ISO-XP comparison if that is the decision you are actually making.
The Beef-XP anomaly
The most interesting product in the Applied Nutrition range is the one nobody price-compares properly. Beef-XP Clear Hydrolysed Beef Protein Isolate is 91g of protein per 100g and costs about 69p per 25g of protein in the 1.8kg size.
Read those two numbers together. That is isolate-grade protein density, at a price below the brand's own whey concentrate and below most whey concentrates full stop. An isolate that undercuts concentrates on cost per gram of protein is unusual enough to be worth a second look, and it happens because beef protein isolate sits outside the whey commodity market that has driven dairy protein prices up since 2024.
The honest caveats: it is a clear, juice-style drink rather than a milkshake, so it is a different product experience entirely, and beef protein has a flavour profile that some people never get on with. Buy a small size first. But if you are dairy-free and had written off isolates on price, this is the row in the table worth knowing about.
Is Applied Nutrition worth it?
Applied Nutrition is a reasonable default. It is not the cheapest option in any category, and it is not trying to be, but it is consistently priced and its 1.8kg standard bag means you can get a mid-table per-gram price without committing to 4kg of a flavour you have not tried. That is a genuine practical advantage that per-gram tables do not capture.
Buy Critical Plant if price per gram is the priority, Critical Whey if you want a straightforward whey and do not want to think about it, Beef-XP if you are dairy-free, and ISO-XP only if you actually need an isolate.
For the full range at current prices see the Applied Nutrition brand page. For the head to head most people search for, we have Applied Nutrition vs Optimum Nutrition. If you are still deciding what type of protein suits you, the protein finder narrows it down quickly, and the cheapest protein powder in the UK covers the budget end properly.
Frequently asked questions
Is Applied Nutrition expensive compared to other UK protein brands?
No, it sits in the middle. Checked 21 August 2026, Applied Nutrition Critical Whey works out at about 78p per 25g of protein, against about 50p for Bulk Basic Whey, 72p for Protein Works Whey Protein 360 GOLD, 91p for MyProtein Impact Whey and £1.10 for Optimum Nutrition Gold Standard. Its cheapest product, Critical Plant, is about 49p, which matches the budget tier outright.
How much does Applied Nutrition Critical Whey cost per serving?
About 78p for 25g of protein, based on a 2kg bag at £44.95, checked 21 August 2026. That works out at roughly £23 a month for one shake a day.
Is Applied Nutrition ISO-XP worth the money?
It is the most expensive thing Applied Nutrition sells at about £1.53 per 25g of protein, checked 21 August 2026, which is more than Optimum Nutrition Gold Standard whey at £1.10. It is a genuine high-purity isolate at around 90g of protein per 100g, and it is cheaper than Gold Standard's own isolate at £1.62. So it is fairly priced against other isolates and expensive against everything else. Buy it if you specifically need an isolate, not as a general protein.
What is the cheapest Applied Nutrition product?
Critical Plant at about 49p per 25g of protein in the 1.8kg size, checked 21 August 2026. It is the only Applied Nutrition product that competes directly with the UK budget tier on price per gram, and it is a plant protein rather than a whey.
Why does Applied Nutrition sell everything in 1.8kg?
It is the brand's standard bag across most of the range, and it is an unusually consistent choice: Protein Works and Bulk lead with 4kg to 5kg, Optimum Nutrition with tubs under 1kg. The 1.8kg size is large enough to get a reasonable per-gram price without the commitment of a 4kg bag, which is a large part of why the brand lands mid-table rather than at either extreme.
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